also coming up on the program -- thousands rally in tunisia in support of the government and against the the prime minister's plan to dissolve it. the search goes on but there's no trace of the meteorite that left a trail of destruction across central russia and the winner is, we'll be live from the berlin film festival with news of who's got the golden bear. thank you for joining us. a bomb targeting people shopping for vegetables has once again highlighted pakistan's deep sectarian tension. at least 60 have been killed in an explosion in the southwestern city of quetta. more than 200 were injured when a bomb exploded outside a market. police say it was aimed at the region's minority shia population. attacks in quetta have killed more than 200 in the past month. we have the latest from islamabad. what more do we know about this attack? >> hi, barbara. what we know is that this bomb, which went off in this market was very powerful bomb. it was an improvised explosive device and more than 60 people were killed and well over 200 people were injured. this attack, of course, comes only f